How to keep on going?

Various
Galatians 6:7-9
For the one who sows to his own flesh will from the flesh reap corruption, but the one who sows to the Spirit will from the Spirit reap eternal life
Ephesians 2:10For we are God’s handiwork, created in Christ Jesus to do good works, which God prepared in advance for us to do.
Philippians 2:12-13
 Therefore, my dear friends, as you have always obeyed—not only in my presence, but now much more in my absence—continue to work out your salvation with fear and trembling,  for it is God who works in you to will and to act in order to fulfill his good purpose.